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Oris cal 380 movement info

canthus

By canthus
in Watch Repairs Help & Advice

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canthus Super WRT Addict

canthus

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Does anyone have any service info for Oris 380 15 jewel movement.  This is a small movement in a ladies vintage watch.   I have parts list but no info on how the movement is assembled etc.  Runs ok but needs  good service.  Any help will be much appreciated.

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canthus Super WRT Addict

canthus

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Thanks clockboy.  I have had a look through all the similar movements and 440 seems nearest maybe.

Its running fine and keeping good time although beat error is 1.7ms.  The problem seems to be that the crown will not click to the setting posn but will set time if held out.  There is also a stick point when winding which can be overcome by reversing and then carrying on.  Seems to me like a problem with the keyless works which I will have a look at and then service the movement anyway.  If the beat error same I will leave as there is no separate adjustment and I am not going to mess with such a very small h/s collet !

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